306793domain: NAppears in sequences2nd level triangle related to Eulerian numbers and binomial transforms (triangle of Eulerian numbers is first level and triangle with Z(0,0)=1 and Z(n,k)=0 otherwise is 0th level).at n=40A062253Expansion of e.g.f. exp(-x) / (1 + log(1 - 2*x)).at n=6A368446